What is CVE-2026-92609?

CVE-2026-92609 is a critical-severity vulnerability in Apache Software Foundation Qpid Broker-J, classified under Session Fixation. CVSS score: 9.8/10. Published 2026-09-25.

How severe is CVE-2026-92609?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Apache Software Foundation Qpid Broker-J

CVE-2026-92609

Session fixation in HTTP management authentication allows remote attackers to gain unauthorized access to an authenticated management session via reuse of a session identifier retained across successful authentication. This issue affects Apache Qpid Broker-J: through 10.1.0. Users are recommended to upgrade to version 10.1.1, which fixes the issue.

Published 2026-09-25 · last modified 2026-09-25.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (8.2th percentile), scored 2026-09-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Apache Software Foundation Qpid Broker-J

Weakness classification (CWE)

CWE-384 — Session Fixation

References

lists.apache.org/thread/93w83oro48cqokb24k8tkogyvtlqhqw6 (vendor-advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-92609?: CVE-2026-92609 is a critical-severity vulnerability in Apache Software Foundation Qpid Broker-J, classified under Session Fixation. CVSS score: 9.8/10. Published 2026-09-25.
How severe is CVE-2026-92609?: Critical severity. CVSS v3 base score is 9.8 out of 10.